Philip f



(N'o Modevl.)

P. F. WELLS.

- GULTIVATOR. 10.455,372. Patented July?, 1891.

F|q wf UNTTED. STATES PATENT OFFICE.

PHILIP VELLS, OF MILFORD, MICHIGAN.4

C U LT l VA` O R SPECIFICATION forming part of Letters Patent N o. 455,372, dated July '7, 1891. Application filed November 6, 1890. Serial No. 370,503. .(No model.)

object my .To all whom, may concern,.-

Be it known that I, PHILIP F. WELLS, a

citizen of the United States, residing at Milford, county of Oakland, State of l\'lichigan, have invented a certain new and useful Improvement in Adjustments for Oultivators; and I declare the following to be a full, clear,

as will enable others skilled in the art to which it pertains to make anduse the same, reference beinghad to theaccompanyingdrawings, which form a part of this specification.

It is the object of my invention to produce a novel cultivator, or ridingcultivator, in which the gangs carrying the teeth are movable laterally, the invention relating more particularly to improved means whereby each gang is always held down to its work-that is, the teeth held in the ground, even when the gang is slid laterally to pass by an obstruction, such as a stone, stump, or the like` To accomplish this invention involves the features of construction, the combination or arrangement of devices, and Vthe principles of operation and exact description of the invention, such hereinafter described and claimel, reference being made to the accompanying` drawings, in which- Figure l is a plan View of one gang of a cultivator, showing the parts constituting' my invention. Fig. 2 is a side elevation of the same. Fig. 3 is an enlarged plan view of the turn-table. Fig. 4 isa vertical section through the turn-table. l

In carrying out the invention, A represents the axle, B a portion of the main frame of the cultivator, and C a cross-piece connecting the Ycorresponding piece B on the opposite side of the machine.

D is the frame which directly supports the teeth, said frame forming one of the gangs.

E represents the teeth. The gang-frame D has its forward end pivoted, as at e, to the standard F, said standardV being pivoted to the cross-piece C, as at c, so that the gang may have a horizontal motion Working' about the pivot c, and the rear end may have a vertical motion Working about the pivot e.

D is a Vcross-piece in the gang-frame eX- tending from side to side of the same at a more particularly a wheel point a shortrdistance back of'the'forward end.

G is a plate of metal engaged tothe crosspiece D by what may be termed a turn-table -that is, the piece D isprovided with a bead or circular ridge d on its'surface, as shown in Fig. 4. Engaged to the under side of the piece G is the plate G', provided on its undersurface with a groove g, corresponding with the bead d. The plate G is also provided with the projection g', which extends through the cross-piece D, anda bolt G2, passed through the piece G, the plate G, and a washer g2, beneath the piece D', screws all the parts together. It will thus be seen that the piece G and plate G may revolve horizontally about the bolt,and yetall of the parts are held snugly together. The piece G extends back a distance and is engaged by the pitman H to the operatinglever J. A segmentJ on the frame and the usual engaging-paw-l (indicated by dotted lines in Fig. 2) on thev lever .I enable the latter to be set in any position desired and held there. Thus by throwing the lever forward the gang is raised; but when the lever J is thrown backward and secured the gangframe is held'rigidly down and cannot rise, since the cross-piece D2 of the gang-.frame will come to a bearing against the piece G. A friction-roller g3 relieves enough of the binding of the partsto enable the gangto be easily shifted horizontally with the foot of the operator. `It will thus be seen that by my construction the teethare held always down to their work, even when they are being shifted laterally to throw them out of the way of any obstruction, such as a stone, stu mp, or the like. If desired, the piece G may be of spring metal, so that the operator may, if he desires, by his foot force the teeth down into the ground farther than the gage at which his lever is set, and lWhile I would prefer to use spring metal at this point I would be understood as in no wise limiting myself to its use.

l. The combination, in a cultivator, of a main frame, a toothed frame having a swiveled connection at its front end with the main frame, a plate pivoted at its front end roo to the toothed frame at a point in rear of the swlveled connection thereof with the main frame, and means engaging the rear end ot` the platefor holding the saine upon thetoothed frame to rigidly hold the latter against upward motion while permitting its horizontal movement, substantially as described.

2. The combination, in a cultivator, of a main frame, a toothed frame having a swiveled connection at its front. end with the main frame, a plate pivoted at its front end to the toothed frame at a point in rear ot the swiveled connectionthereof with the main frame, and a lever connected with the rear frame, said strip provided on its rear end with a friction-roller, against which the cross-piece D2 may bear, substantially as described.

4. The combination, in a cultivator, of a main frame,'a toothed frame pivotally connected at its front end with the main frame, an elastic plate G, pivoted at its front end to the toothed frame at a point in rear of the pivotal connection thereof with the main frame, and a lever connected with the rear end of the elastic plate for raising and lowering the toothed frame, holding it rigidly down while permitting its horizontal swinging movement, and enabling the attendant to further depress the toothed frame by placing his foot thereupon after the lever has been adjusted to hold the toothed frame against rising movement, substantially as described.

In testimony whereof I sign this specification in the presence of two witnesses.

PHILIP F. VETALS.

Witnesses:

ALMoN D. WEBB,

SoLoN H. WILHELM. 

